The valve-setter's guide; a treatise on the construction and adjustment of the principal valve gearings used on American locomotive
A 1910 technical manual by James Kennedy, published in New York by the A. Sinclair Company, instructing American railroad machinists in constructing and adjusting locomotive valve gears. Line engravings show Walschaerts and Stephenson linkages in side elevation, with eccentrics, rods, links and rockers drawn as thin outlines over dashed motion arcs and lettered reference points on tinted paper.
